CDL License

Question 1

What is the most important reason for doing a vehicle inspection

Answer 1

Safety

Question 2

What things should you check during a trip?

Answer 2

gauges, use senses, when stopped check tires, brakes, lights and reflectors, electrical connection to trailer, trailer coupling devices, cargo securement devices

Question 3

Name Key steering Parts

Answer 3

tie rod, power steering cylinder, steering arm, drag link, spindle, steering knuckle, pitman arm, gear box, hydraulic fuel reservoir

Question 4

name suspension system defects

Answer 4

cracked or broken spring hangers, missing or broken leaves in any spring leaf, broken or shifted leaves, leaking shock absorbers, air suspension system that is damaged

Question 5

Name 3 kinds of emergency equipment you must have

Answer 5

fire extinguishers, spare electrical fuses, warning devices

Question 6

what is the minimum tread depth for front tires

Answer 6

4/32 inch on front, 2/32 inch on rear

Question 7

name some things you should check when doing a walk around inspections

Answer 7

lights, reflectors, wheels,

Question 8

what should wheel bearing seals be checked for

Answer 8

leaks

Question 9

how many red reflective triangles should you carry?

Answer 9

at least 3

Question 10

how do you check your hydraulic brakes for leaks

Answer 10

pump pedal 3 times, apply firm pressure and hold for 5 seconds, pedal should not move

Question 11

why put the stater switch key in your pocket during vehicle inspection?

Answer 11

prevent theft, moving of vehicle, not locked out

Question 12

why should you back towards the drivers side?

Answer 12

driver has a better view

Question 13

if stopped on a hill, how can you start moving without rolling back

Answer 13

partially apply clutch before taking foot of of brake, engage parking brake until enough power has been supplied to the engine

Question 14

when backing why is it important to use a helper

Answer 14

there are blind spots you can’t see

Question 15

what is the most important hand signal you and your helper should agree on

Answer 15

stop

Question 16

what are the two special conditions for you to down shift

Answer 16

before starting downhill or entering a curve

Question 17

what should you downshift automatic transmissions?

Answer 17

when going downhill/ down grades

Question 18

retarders keep you fromskidding when the road is slippery

Answer 18

false

Question 19

what are the two ways to know when to shift

Answer 19

using engine speed and road speed

Question 20

how far ahead does the manual say you shuld look

Answer 20

12 to 15 seconds (one block to a quarter of a mile)

Question 21

what are the two main things to look ahead for?

Answer 21

vehicle coming into you lane, turning, onto the highway; brake lights

Question 22

whats the most important way to see the sides and rear of your vehicle

Answer 22

mirror adjustments

Question 23

what does communicating mean in safe driving

Answer 23

signaling your intentions at turns, lane changes, slowing down, trouble ahead, tight turns, stopping on road, driving slowly, when passing, when its hard to see, when parked on side of road

Question 24

where should you place you reflectors on a divided highway,

Answer 24

10, 100 200ft undivided: 10, 100 in front and behind

Question 25

what three things add to total stopping distance

Answer 25

perception distance, reactoins distance, stopping time

Question 26

if you go twice as fast will your stopping distance increase by two or four times

Answer 26

four times

Question 27

empty truck have the best breaking

Answer 27

true

Question 28

what is hydroplaning

Answer 28

your vehicle sliding on water or slush that has connected on the road

Question 29

what is black ice

Answer 29

a thin layer of ice in which you can see the road underneath

Question 30

how do you find out how many seconds of following distance you need

Answer 30

1 second for each ten feet of truck plus one second if over 40 mph

Question 31

you should decrease your following distance if someone is following too closely

Answer 31

no

Question 32

what is a hazard

Answer 32

any road conditions or other road user tat is a possible danger

Question 33

why make emergency plans when you see a hazard

Answer 33

you will be more prepared to handle them and can avoid sudden movements of vehicle, may turn into an emergency

Question 34

what are some tips to follow so you wont become distracted

Answer 34

assess all potential in vehicle distractions before driving, develop a preventative plant to reduce distractinos

Question 35

how do you use in vehicle communication equipment cautiously

Answer 35

keep it close and use handsfree or voice activaed when available

Question 36

how do you recognize a distracted driver

Answer 36

drifting cars, inconsistent speeds, preoccupied drivers, talking drivers

Question 37

what should you do when confronted with an agressive driver

Answer 37

try and get out of their way, dont challenge, avoid eye contact, ignore gestures, report them

Question 38

what are some things you can do to reduce stress before driving

Answer 38

listen to asy music, give full attention, be realistic about time travel, don't drive slowly in left lane

Question 39

you should use low beams whenever you can

Answer 39

false

Question 40

what should you do before you drive if you are drowsy

Answer 40

ge adequate sleep, prepare rute, drive when normally awake

Question 41

what effect can wet breaks cause, how can you avoid these problems

Answer 41

be weak, apply unevenly, to gra, avoid puddles, slow down and go into low gear

Question 42

you should let pressure out of hot tires so pressure goes back to normal

Answer 42

false

Question 43

you can safely remove the radiator cap as long as the engine isnt overheated

Answer 43

false

Question 44

what factors determine you selection of a safe speed when going down a long steep grade

Answer 44

weight of vehicle, length of grade, steepness, road conditions, weather

Question 45

describe the proper braking technique when going on a long steep downgrade

Answer 45

in proper low gear apply just hard enough to feel definite slowing, when approx 5 below safe speed release brakes, when at safe speed repeat

Question 46

what types of vehicles can get stuck on railroad highway crossing

Answer 46

low-slung units, single axle tractor pulling a long trailer with its landing gear set to accommodate a tandem axle trailer

Question 47

how long does it take for a double axle trailer unit to clear a double track

Answer 47

at least 15 seconds

Question 48

stopping is not always the safest thing to do in an mergency

Answer 48

true

Question 49

what are some advantages of goin right instead of left around an obstacle

Answer 49

its unlikely someone will be driving on the shoulder but someone may try to pass you on the left, if surrounded on both sides moving right wont force anyone into moving traffic

Question 50

what is an escape ramp

Answer 50

long bed of loose or soft materialon steep downgrade to slow or stop runaway cars

Question 51

if a tire blows out, you should put the brakes on as hard as possible

Answer 51

false

Question 52

what is the proper braking technique when driving a vehicle with antilock technology

Answer 52

brake and drive normally

Question 53

how do antilock brakes help you

Answer 53

it keeps your wheels from locking up with a computerized system

Question 54

what are some things to do at an accident scene to prevent furter accidents

Answer 54

protect the area, notify officials, care for injured

Question 55

name two causes of fires

Answer 55

underinflated tires, duals that touch

Question 56

what kind of fire is a B:C fire extinguisher not good for?

Answer 56

designed for electrical fire and burning liquids

Question 57

when using your extinguisher should you get as close to the fire as possible

Answer 57

no

Question 58

name some causes of vehicle fires

Answer 58

spilled fuel after accidents, flammable cargo, driver smoking, improper fueling

Question 59

common medicines for colds can make you sleepy

Answer 59

true

Question 60

coffee and a little fresh air wll help you sober up

Answer 60

false

Question 61

what is a hazardous material placard

Answer 61

signs on the outside of the vehicle that identify the type of hazardous class of cargo is being transported